Certified Professional Photographer (CPP) Practice Exam

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The ink color Cyan absorbs which light wavelength?

  1. Green

  2. Blue

  3. Red

  4. Yellow

The correct answer is: Red

Cyan is a color that is produced by mixing green and blue light while absorbing red light. In terms of light wavelengths, cyan appears vibrant because it reflects light in the blue and green portions of the spectrum but does not reflect light from the red wavelength, effectively absorbing it. When considering this in the context of color theory, specifically additive color mixing, cyan is the result of blue and green lights mixing together, and red is its complementary color. Therefore, when cyan is present, it will absorb any light that falls within the red wavelength range. This property is what defines the color characteristics of cyan, making it essential to understand how colors interact with light when preparing for the CPP exam.